Great tool for tuning your music instrument. This program helps you to tune your strings music instruments (guitar, violin, cello, piano etc). Touch the string on your instrument close to your pocket device. On TuneMaster window read the note frequency. Adjust the peg until the frequency is for this string. This program uses last technologies of sound analysis, uses for diagnostics elements and units in industry. The original technology of spectrum processing allows you to determine sound frequency of your instrument whether the harmonics or noise presence, in wide frequency range.